All Submissions:

• Have you followed the WooCommerce Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

This PR makes sure that when a block theme is active, activating WooCommerce core will not enable the Customizer option from the Appearance settings section and the Customize button from the WP admin

For more context see: https://woofse.wordpress.com/2022/06/07/pt-ensure-customizer-doesnt-show-up-with-block-themes-active-2/

How to test the changes in this Pull Request:

1. Enable WooCommerce.
2. Enable the Storefront theme.
3. Check that the Customize button appears on the Appearance menu and on the menu bar.
4. Enable a block theme (i.e. Twentytwentytwo).
5. Check that the Customize button does not show up on the Appearance menu or on the menu bar.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you created a changelog file for each project being changed, ie pnpm changelog add --filter=<project>?

FOR PR REVIEWER ONLY:

• I have reviewed that everything is sanitized/escaped appropriately for any SQL or XSS injection possibilities. I made sure Linting is not ignored or disabled.